20-20-20 Eye Strain Break Timer
Start the timer to get a break reminder every 20 minutes.
The 20-20-20 rule: every 20 minutes, rest your eyes by looking at something 20 feet (about 6 meters) away for 20 seconds.
20:00
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Start the timer to get a break reminder every 20 minutes.
The 20-20-20 rule: every 20 minutes, rest your eyes by looking at something 20 feet (about 6 meters) away for 20 seconds.